| Acronym | Meaning |
| PANH | Polycyclic Aromatic Nitrogen Heterocycle |
| PTS | Pressure Tuning Spectroscopy |
| PHAS | Pollution Hazard Assessment System |
| NAIMA | North American Insulation Manufacturers Association |
| APES | Adiabatic Potential Energy Surface |
| AIR RISC | Air Risk Information Support Center |
| BPR | Biological Phosphorus Removal |
| CDKI | Cyclin Dependent Kinase Inhibitor |
| ARXPD | Angle Resolved X-ray Photoelectron Diffraction |
| CE/ESIMS | Capillary Electrophoresis/electrospray Ionization Mass Spectrometry |